Overview
The LM5050Q1MKX-1/NOPB is a High-Side OR-ing FET Controller produced by Texas Instruments. This component is designed to operate in conjunction with an external N-Channel MOSFET, functioning as an ideal diode rectifier when connected in series with a power source. It is particularly suited for automotive applications and other industrial environments requiring robust overvoltage protection and reliable performance.
The LM5050Q1MKX-1/NOPB replaces traditional diode rectifiers in power distribution networks, reducing power loss and voltage drops. It features a wide operating input voltage range, fast response to current reversal, and high transient capability, making it an ideal choice for systems needing efficient and reliable power management.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Operating Input Voltage Range (VIN) | 1 V to 75 V (VBIAS required for VIN < 5 V) | V |
| Transient Capability | 100 V | V |
| Maximum Junction Temperature (TJ) | -40°C to 125°C | °C |
| Package Type | SOT-23-Thin-6 | |
| Number of Pins | 6 | |
| Peak Gate Turnoff Current | 2 A | A |
| Response Time to Current Reversal | 50 ns | ns |
| Minimum VDS Clamp for Faster Turnoff | 22 mV (typical) | mV |
Key Features
- Wide Operating Input Voltage Range: 1 V to 75 V (VBIAS required for VIN < 5 V)
- 100-V Transient Capability
- Charge Pump Gate Driver for External N-Channel MOSFET
- Fast 50-ns Response to Current Reversal
- 2-A Peak Gate Turnoff Current
- Minimum VDS Clamp for Faster Turnoff
- Functional Safety Capable with Documentation Available
- AEC-Q100 Qualified for Automotive Applications
- Overvoltage Protection, Reverse Battery Protection, and Load Dump Protection
Applications
- Active OR-ing of Redundant (N+1) Power Supplies
- Automotive Applications
- Critical Battery Management
- Sensor Protection
- Industrial Applications
- Load Dump Issue Prevention
- System Reliability and Efficient Reverse Battery Protection
- Power Systems and Voltage Spike Defense
- Securing Electronic Components from Overvoltage Issues
Q & A
- What is the primary function of the LM5050Q1MKX-1/NOPB?
The LM5050Q1MKX-1/NOPB operates as a High-Side OR-ing FET Controller, replacing traditional diode rectifiers in power distribution networks to reduce power loss and voltage drops.
- What is the operating input voltage range of the LM5050Q1MKX-1/NOPB?
The operating input voltage range is from 1 V to 75 V, with VBIAS required for VIN < 5 V.
- What is the maximum transient capability of the LM5050Q1MKX-1/NOPB?
The component can withstand transients up to 100 V.
- What is the maximum junction temperature (TJ) for the LM5050Q1MKX-1/NOPB?
The maximum junction temperature is -40°C to 125°C.
- What type of package does the LM5050Q1MKX-1/NOPB come in?
The component is packaged in a SOT-23-Thin-6 package.
- What is the peak gate turnoff current of the LM5050Q1MKX-1/NOPB?
The peak gate turnoff current is 2 A.
- How quickly does the LM5050Q1MKX-1/NOPB respond to current reversal?
The response time to current reversal is 50 ns.
- Is the LM5050Q1MKX-1/NOPB qualified for automotive applications?
Yes, it is AEC-Q100 qualified for automotive applications.
- What types of protection does the LM5050Q1MKX-1/NOPB offer?
The component offers overvoltage protection, reverse battery protection, and load dump protection.
- What are some common applications of the LM5050Q1MKX-1/NOPB?
Common applications include active OR-ing of redundant power supplies, critical battery management, sensor protection, and industrial applications.
